When i run sudo apt update
, i get the error:
Err:1 http://apt.radxa.com/focal-stable focal InRelease
The following signatures were invalid: EXPKEYSIG 5761288B2B52CC90 Radxa <dev@radxa.com>
Reading package lists... Done
W: GPG error: http://apt.radxa.com/focal-stable focal InRelease: The following signatures were invalid: EXPKEYSIG 5761288B2B52CC90 Radxa <dev@radxa.com>
E: The repository 'http://apt.radxa.com/focal-stable focal InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Public keys seem to have expired:
sudo apt-key list
/etc/apt/trusted.gpg
--------------------
pub rsa3072 2018-11-23 [SC] [expired: 2020-11-22]
C79E F8D1 49CF C9C0 418A 9A60 5761 288B 2B52 CC90
uid [ expired] Radxa <dev@radxa.com>
/etc/apt/trusted.gpg.d/ubuntu-keyring-2012-archive.gpg
------------------------------------------------------
pub rsa4096 2012-05-11 [SC]
790B C727 7767 219C 42C8 6F93 3B4F E6AC C0B2 1F32
uid [ unknown] Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>
/etc/apt/trusted.gpg.d/ubuntu-keyring-2012-cdimage.gpg
------------------------------------------------------
pub rsa4096 2012-05-11 [SC]
8439 38DF 228D 22F7 B374 2BC0 D94A A3F0 EFE2 1092
uid [ unknown] Ubuntu CD Image Automatic Signing Key (2012) <cdimage@ubuntu.com>
/etc/apt/trusted.gpg.d/ubuntu-keyring-2018-archive.gpg
------------------------------------------------------
pub rsa4096 2018-09-17 [SC]
F6EC B376 2474 EDA9 D21B 7022 8719 20D1 991B C93C
uid [ unknown] Ubuntu Archive Automatic Signing Key (2018) <ftpmaster@ubuntu.com>